Most headaches have ordinary causes. However, if any of the following signs are present, it is important to see a doctor quickly.
- Sudden, very severe headache
- Headache with vomiting, blurred vision or weakness
- Pain that keeps getting worse
- Pain that began after an injury
Instead of continuing medication on your own, get expert advice to find the cause.
This article is for general awareness only; it is not a substitute for direct medical advice.